Professional Systems Engineering, LLC (PSE) specializes in technology consulting, design, and engineering, services for advanced building systems including Security, Fire Protection, Life Safety, Communications, Multi-Media, and Specialty Lighting. PSE is a leading expert in the integration of sophisticated systems and technologies into highly specialized building envelopes. Our primary focus is systems for corrections, justice, nuclear power, universities, high-rise office buildings, and Fortune 500 facilities. PSE has worked in a range of settings from urban to remote locations, single facility to large multi-site building campuses, and building types from historical structures to state-of-the-art new construction.